diff --git a/requirements.txt b/requirements.txt
index 3fd9782..88cdcec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ PasteDeploy==1.5.2
 PyYAML==3.11
 Pygments==2.0.2
 Sphinx==1.3.1
-WebOb==1.4.1
+WebOb==1.6.0a0
 WebTest==2.0.18
 beautifulsoup4==4.3.2
 boto==2.31.1
@@ -22,10 +22,10 @@ jsonpointer==1.9
 mock==1.0.1
 nose==1.3.4
 pbkdf2==1.3
-py==1.4.26
+py==1.10.0
 pycrypto==2.6.1
 pyramid-exclog==0.7
-pyramid==1.5.7
+pyramid==1.6a2
 pytest==2.6.4
 python-coveralls==2.5.0
 pytz==2014.10